Guide: What is the meaning of led, when it comes to led three letters, almost everyone knows, but in general, many friends only think that led is just a lamp. LEDs and the like are now available in many homes, streets, commercial areas, and some electronic products. But if you want your friends to tell what the specific led is, I believe many people are ignorant. Although led is now popular with many people. But we may use LEDs every day, that is, we can't fully understand what LED means. Then, today Xiaobian will give you the meaning of the science, what is the meaning of LED, and to understand.
Led light
Led
What does led mean, LED refers to the light-emitting diode. The LED on the TV refers to a flat-panel TV with a liquid crystal screen that uses a light-emitting diode as a backlight. What is the meaning of led, LED light-emitting diode as a backlight, it has five major advantages than the cold cathode fluorescent tube backlight: First, the ultra-wide color gamut can reach 105% NTSE color gamut, so the color is more vivid. Second, the ultra-thin appearance, the thinnest reaches 1.99 cm, more fashionable. Third, energy saving and environmental protection, energy consumption is 52% lower than that of cold cathode backlight, and there is no mercury pollution of cold cathode tubes. Fourth, long life, reaching nearly 100,000 hours, can be used for 27 years if you open 10 hours a day. Five, can achieve 100000:1 ultra-high contrast, higher definition. The above performance advantages determine that LED backlights are technically a replacement for cold cathode backlights, and the current market price is basically 150% of cold cathode backlight products. The LED backlight itself has no choice. The main choice for the whole machine is the choice of the technical performance parameters of the liquid crystal panel, such as the maximum physical resolution, dynamic response time, etc., which is the same as the ordinary LCD TV. What does led mean, do you understand?
What is the Chinese meaning of LED?
Led light
What is the meaning of LED in Chinese? Simply put, it means the meaning of electronic display. LED English abbreviation, the main meaning: LED = Light Emitting Diode, a solid-state semiconductor device that converts electrical energy into visible light, which can directly convert electricity into light; LED = Large Electronic Display, large electronics Show.
Led light off, why is the night still bright?
The reason why the led light is turned off and the night is faintly bright is: because the electrician is disconnecting the electric switch, the power-off switch is connected to the neutral line, not the live line. The power-off switch must be powered off with a live wire, otherwise there is a danger of electric shock. When the power-off switch is connected to the neutral line, the fire line continues to supply power to the LED driving power supply after the power is turned off, so that the LED light will have a faint light after the switch is turned off.
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